package com.it.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.sql.SQLIntegrityConstraintViolationException;

/*
* @ControllerAdvice+@ResponseBody=@RestControllerAdvice
* */
//用来指定拦截哪一类的Controller方法
//@RestControllerAdvice(annotations = {RestController.class, Controller.class})
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 异常处理方法
     * @return
     */
    //用来指定拦截哪一类的异常
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")) {
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    /**
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
    //其他异常的统一处理
    /*@ExceptionHandler(Exception.class)
    public R<String> exception(Exception ex){
        ex.printStackTrace();
        log.error(ex.getMessage());
        return R.error("未知错误");
    }*/

}
